{
  "name": "Miami International Holdings, Inc.",
  "legal_name": "MIAMI INTERNATIONAL HOLDINGS, INC.",
  "ticker": "MIAX",
  "tickers": [
    "MIAX"
  ],
  "cik": "0001438472",
  "page_url": "https://steadybase.io/company/miami-international-holdings-inc/",
  "markdown_url": "https://steadybase.io/company/miami-international-holdings-inc.md",
  "json_url": "https://steadybase.io/company/miami-international-holdings-inc.json",
  "as_of": "2026-11-10",
  "last_filed": "2026-11-02",
  "industry": {
    "sic": "6211",
    "description": "Security Brokers, Dealers & Flotation Companies"
  },
  "headquarters": {
    "city": "Princeton",
    "state": "NJ",
    "country": "US"
  },
  "exchanges": [
    "NYSE"
  ],
  "fiscal_year_end": null,
  "filer_category": "Non-accelerated filer",
  "state_of_incorporation": "DE",
  "website": "martofmiami.com",
  "investor_relations_url": "https://ir.miaxglobal.com/",
  "linkedin_company_url": "https://www.linkedin.com/company/international-mart-of-miami",
  "summary": {
    "text": "The following description of our business should be read in conjunction with the information included elsewhere in this Annual Report on Form 10-K for the year ended December 31, 2025. This description contains forward-looking statements that involve risks and uncertainties.",
    "section": "Item 1. Business",
    "period_end": "2025-12-31",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/miax-20251231.htm"
  },
  "key_facts": [
    {
      "key": "revenue",
      "label": "Revenue",
      "value": 1364073000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/0001438472-26-000023-index.html",
      "text": "Revenue: $1.4B for the fiscal year ended Dec 31, 2025 (10-K filed Mar 6, 2026)."
    },
    {
      "key": "operating_income",
      "label": "Operating income",
      "value": 91968000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/0001438472-26-000023-index.html",
      "text": "Operating income: $92.0M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 6, 2026)."
    },
    {
      "key": "net_income",
      "label": "Net income",
      "value": -70029000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/0001438472-26-000023-index.html",
      "text": "Net income: -$70.0M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 6, 2026)."
    },
    {
      "key": "employees",
      "label": "Employees",
      "value": 439,
      "unit": "people",
      "period_end": "2025-12-31",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/miax-20251231.htm",
      "text": "Employees: 439 as of Dec 31, 2025, as reported in an SEC filing."
    },
    {
      "key": "shares_outstanding",
      "label": "Shares outstanding",
      "value": 100056866,
      "unit": "shares",
      "period_end": "2026-10-26",
      "form": "10-Q",
      "filed": "2026-11-02",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000162828026068667/0001628280-26-068667-index.html",
      "text": "Shares outstanding: 100,056,866 as of Oct 26, 2026 (10-Q filed Nov 2, 2026)."
    },
    {
      "key": "auditor",
      "label": "Auditor",
      "value": "Kpmg LLP",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/miax-20251231.htm",
      "text": "Auditor: Kpmg LLP, New York, New York, named in the latest 10-K."
    }
  ],
  "metrics": {
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    ],
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      }
    ],
    "net_income": [
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        "value": 102123000,
        "unit": "USD",
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        "filed": "2026-03-06",
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      }
    ]
  },
  "next_earnings": {
    "date": "2027-03-06",
    "confidence": "estimate",
    "webcast_url": null
  },
  "people": [
    {
      "name": "Thomas P. Gallagher",
      "title": "Chairman and Chief Executive Officer of MIAX",
      "role": "officer",
      "linkedin_url": null,
      "form": "8-K",
      "filed": "2026-10-29",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000044/miax3q26earningsreleasef.htm"
    },
    {
      "name": "Cees Vermaas",
      "title": "CEO of TISEG",
      "role": "officer",
      "linkedin_url": null,
      "form": "4",
      "filed": "2026-06-18",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208066826000002/0002080668-26-000002-index.htm"
    },
    {
      "name": "Lance Emmons",
      "title": "EVP and CFO",
      "role": "officer",
      "linkedin_url": null,
      "form": "4",
      "filed": "2026-08-19",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000162828026057946/0001628280-26-057946-index.htm"
    },
    {
      "name": "Harish Jayabalan",
      "title": "EVP, CISO and CRO",
      "role": "officer",
      "linkedin_url": null,
      "form": "4",
      "filed": "2026-09-29",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000162828026063831/0001628280-26-063831-index.htm"
    },
    {
      "name": "Shelly Brown",
      "title": "EVP, Chief Strategy Officer",
      "role": "officer",
      "linkedin_url": null,
      "form": "4",
      "filed": "2026-09-17",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208050626000027/0002080506-26-000027-index.htm"
    },
    {
      "name": "Barbara J. Comly",
      "title": "EVP, GC & Corporate Secretary",
      "role": "officer",
      "linkedin_url": null,
      "form": "4",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208087826000016/0002080878-26-000016-index.htm"
    },
    {
      "name": "Douglas M. Schafer JR",
      "title": "EVP and CIO",
      "role": "officer",
      "linkedin_url": null,
      "form": "4",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000207944526000017/0002079445-26-000017-index.htm"
    },
    {
      "name": "Edward Deitzel",
      "title": "EVP, CRO, CCO MIAX Exchanges",
      "role": "officer",
      "linkedin_url": null,
      "form": "4",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208067126000016/0002080671-26-000016-index.htm"
    },
    {
      "name": "John Smollen",
      "title": "EVP, New Product Development",
      "role": "officer",
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      "filed": "2026-06-18",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208070326000004/0002080703-26-000004-index.htm"
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      "title": "Executive Vice President, General Counsel and Corporate Secretary",
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      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/miax-20251231.htm"
    },
    {
      "name": "Cynthia Schwarzkopf",
      "title": "Director",
      "role": "director",
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      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/miax-20251231.htm"
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      "name": "David Brown",
      "title": "Director",
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      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/miax-20251231.htm"
    },
    {
      "name": "J. Gray Teekell",
      "title": "Director",
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      "name": "Kenneth W. Lozier",
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      "date": "2026-09-16",
      "filed": "2026-09-17",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208050626000027/0002080506-26-000027-index.htm"
    },
    {
      "owner": "Edward Deitzel",
      "role": "EVP, CRO, CCO MIAX Exchanges",
      "action": "sold",
      "code": "S",
      "shares": 11000,
      "value_usd": 464310,
      "date": "2026-09-03",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208067126000016/0002080671-26-000016-index.htm"
    },
    {
      "owner": "Thomas P. Gallagher",
      "role": "Chairman & CEO",
      "action": "sold",
      "code": "S",
      "shares": 47000,
      "value_usd": 1994210,
      "date": "2026-09-03",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208047726000018/0002080477-26-000018-index.htm"
    },
    {
      "owner": "Barbara J. Comly",
      "role": "EVP, GC & Corporate Secretary",
      "action": "sold",
      "code": "S",
      "shares": 44445,
      "value_usd": 1799578,
      "date": "2026-09-02",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208087826000016/0002080878-26-000016-index.htm"
    },
    {
      "owner": "Douglas M. Schafer JR",
      "role": "EVP and CIO",
      "action": "sold",
      "code": "S",
      "shares": 48000,
      "value_usd": 1943040,
      "date": "2026-09-02",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000207944526000017/0002079445-26-000017-index.htm"
    },
    {
      "owner": "Judson Gray Teekell",
      "role": "Director",
      "action": "sold",
      "code": "S",
      "shares": 8545,
      "value_usd": 353231,
      "date": "2026-09-02",
      "filed": "2026-09-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000195977026000012/0001959770-26-000012-index.htm"
    },
    {
      "owner": "Thomas P. Gallagher",
      "role": "Chairman & CEO",
      "action": "sold",
      "code": "S",
      "shares": 149700,
      "value_usd": 6157161,
      "date": "2026-08-19",
      "filed": "2026-08-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208047726000016/0002080477-26-000016-index.htm"
    },
    {
      "owner": "Cynthia Schwarzkopf",
      "role": "Director",
      "action": "sold",
      "code": "S",
      "shares": 5000,
      "value_usd": 214250,
      "date": "2026-08-17",
      "filed": "2026-08-19",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000162828026057950/0001628280-26-057950-index.htm"
    },
    {
      "owner": "Lance Emmons",
      "role": "EVP and CFO",
      "action": "sold",
      "code": "S",
      "shares": 35000,
      "value_usd": 1499050,
      "date": "2026-08-17",
      "filed": "2026-08-19",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000162828026057946/0001628280-26-057946-index.htm"
    },
    {
      "owner": "Barbara J. Comly",
      "role": "EVP, GC & Corporate Secretary",
      "action": "sold",
      "code": "S",
      "shares": 44445,
      "value_usd": 2030692,
      "date": "2026-08-04",
      "filed": "2026-08-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000208087826000012/0002080878-26-000012-index.htm"
    }
  ],
  "quotes": [
    {
      "text": "MIAX’s lean, high-margin operating model enabled us to deliver strong revenue growth and margin expansion in the third quarter",
      "speaker": "Thomas P. Gallagher",
      "title": "Chairman and Chief Executive Officer of MIAX",
      "form": "8-K",
      "filed": "2026-10-29",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000044/miax3q26earningsreleasef.htm"
    }
  ],
  "latest_filings": [
    {
      "form": "8-K",
      "filed": "2026-10-29",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000044/miax-20261029.htm"
    },
    {
      "form": "10-K",
      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000143847226000023/miax-20251231.htm"
    },
    {
      "form": "10-Q",
      "filed": "2026-11-02",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000162828026068667/miax-20260930.htm"
    },
    {
      "form": "DEF 14A",
      "filed": "2026-04-27",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1438472/000162828026027312/miax-20260426.htm"
    }
  ],
  "source": "SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from."
}